diff --git a/Formula/ignition-gazebo2.rb b/Formula/ignition-gazebo2.rb
index 4cedad2a3..f5ece6809 100644
--- a/Formula/ignition-gazebo2.rb
+++ b/Formula/ignition-gazebo2.rb
@@ -4,13 +4,13 @@ class IgnitionGazebo2 < Formula
   url "https://osrf-distributions.s3.amazonaws.com/ign-gazebo/releases/ignition-gazebo2-2.25.0.tar.bz2"
   sha256 "7d05c1586ef53d67cbf6562f5c7d1bf4480280f5ecb172d235101c40942ee1f9"
   license "Apache-2.0"
-  revision 1
+  revision 2
 
   head "https://github.com/ignitionrobotics/ign-gazebo", branch: "ign-gazebo2"
 
   bottle do
     root_url "https://osrf-distributions.s3.amazonaws.com/bottles-simulation"
-    sha256 "f9f5c6f0e9005949e2453f9251e597fd53dba32f71443935621595f40db4c104" => :mojave
+    sha256 "0be73f21beab891fd7ef73d85df055cfe5026f79ce18c38927ced1e84e8998f3" => :mojave
   end
 
   depends_on "cmake" => :build
@@ -26,9 +26,11 @@ class IgnitionGazebo2 < Formula
   depends_on "ignition-plugin1"
   depends_on "ignition-rendering2"
   depends_on "ignition-sensors2"
+  depends_on "ignition-tools"
   depends_on "ignition-transport7"
   depends_on macos: :mojave # c++17
   depends_on "pkg-config"
+  depends_on "ruby"
   depends_on "sdformat8"
 
   def install
@@ -44,6 +46,10 @@ def install
   end
 
   test do
+    ENV["IGN_CONFIG_PATH"] = "#{opt_share}/ignition"
+    system Formula["ruby"].opt_bin/"ruby",
+           Formula["ignition-tools"].opt_bin/"ign",
+           "gazebo", "-s", "--iterations", "5", "-r", "-v", "4"
     (testpath/"test.cpp").write <<-EOS
     #include <cstdint>
     #include <ignition/gazebo/Entity.hh>
diff --git a/Formula/ignition-gazebo3.rb b/Formula/ignition-gazebo3.rb
index 928028c1b..baee540c2 100644
--- a/Formula/ignition-gazebo3.rb
+++ b/Formula/ignition-gazebo3.rb
@@ -4,13 +4,13 @@ class IgnitionGazebo3 < Formula
   url "https://osrf-distributions.s3.amazonaws.com/ign-gazebo/releases/ignition-gazebo3-3.5.0.tar.bz2"
   sha256 "3ed0cc0f0c3c03e6de4b54c450ad1df52be5897443d82ed4ac0ca89387252352"
   license "Apache-2.0"
-  revision 1
+  revision 2
 
   head "https://github.com/ignitionrobotics/ign-gazebo", branch: "ign-gazebo3"
 
   bottle do
     root_url "https://osrf-distributions.s3.amazonaws.com/bottles-simulation"
-    sha256 "86f41df4d432078c1c01df70b3c9b9f389b62ca88d8822fc9e815e869d9326f4" => :mojave
+    sha256 "7ece6aba59fd7f6f5ef71eee1f08f017c464de535e3fe3015e3a7fdb51ae2fbd" => :mojave
   end
 
   depends_on "cmake" => :build
@@ -26,9 +26,11 @@ class IgnitionGazebo3 < Formula
   depends_on "ignition-plugin1"
   depends_on "ignition-rendering3"
   depends_on "ignition-sensors3"
+  depends_on "ignition-tools"
   depends_on "ignition-transport8"
   depends_on macos: :mojave # c++17
   depends_on "pkg-config"
+  depends_on "ruby"
   depends_on "sdformat9"
 
   def install
@@ -44,6 +46,10 @@ def install
   end
 
   test do
+    ENV["IGN_CONFIG_PATH"] = "#{opt_share}/ignition"
+    system Formula["ruby"].opt_bin/"ruby",
+           Formula["ignition-tools"].opt_bin/"ign",
+           "gazebo", "-s", "--iterations", "5", "-r", "-v", "4"
     (testpath/"test.cpp").write <<-EOS
     #include <cstdint>
     #include <ignition/gazebo/Entity.hh>
diff --git a/Formula/ignition-gazebo4.rb b/Formula/ignition-gazebo4.rb
index 65150c829..60fcf347f 100644
--- a/Formula/ignition-gazebo4.rb
+++ b/Formula/ignition-gazebo4.rb
@@ -4,13 +4,13 @@ class IgnitionGazebo4 < Formula
   url "https://osrf-distributions.s3.amazonaws.com/ign-gazebo/releases/ignition-gazebo4-4.0.0.tar.bz2"
   sha256 "58b4d7079dc1f9c7adf7a348a008b20eb96a0bb4504f95f07c31036aa3701dca"
   license "Apache-2.0"
-  revision 1
+  revision 2
 
   head "https://github.com/ignitionrobotics/ign-gazebo", branch: "ign-gazebo4"
 
   bottle do
     root_url "https://osrf-distributions.s3.amazonaws.com/bottles-simulation"
-    sha256 "358ad19e816377c73488be80ae2feb725d099dc217270ebd600e849b18c1f97a" => :mojave
+    sha256 "4ebd751fe39b52415a60828bde0a625e238eddfca9e58e98692b192bb8afd30a" => :mojave
   end
 
   depends_on "cmake" => :build
@@ -26,9 +26,11 @@ class IgnitionGazebo4 < Formula
   depends_on "ignition-plugin1"
   depends_on "ignition-rendering4"
   depends_on "ignition-sensors4"
+  depends_on "ignition-tools"
   depends_on "ignition-transport9"
   depends_on macos: :mojave # c++17
   depends_on "pkg-config"
+  depends_on "ruby"
   depends_on "sdformat10"
 
   def install
@@ -44,6 +46,10 @@ def install
   end
 
   test do
+    ENV["IGN_CONFIG_PATH"] = "#{opt_share}/ignition"
+    system Formula["ruby"].opt_bin/"ruby",
+           Formula["ignition-tools"].opt_bin/"ign",
+           "gazebo", "-s", "--iterations", "5", "-r", "-v", "4"
     (testpath/"test.cpp").write <<-EOS
     #include <cstdint>
     #include <ignition/gazebo/Entity.hh>
diff --git a/Formula/ignition-gazebo5.rb b/Formula/ignition-gazebo5.rb
index ba4ed2f27..079fcb998 100644
--- a/Formula/ignition-gazebo5.rb
+++ b/Formula/ignition-gazebo5.rb
@@ -5,13 +5,13 @@ class IgnitionGazebo5 < Formula
   version "4.999.999~0~20201028~e43f76"
   sha256 "41e860861a22040892cdbd6c3cf69d10f59ce693eb8078f233fde63c3b16f9bd"
   license "Apache-2.0"
-  revision 1
+  revision 2
 
   head "https://github.com/ignitionrobotics/ign-gazebo", branch: "main"
 
   bottle do
     root_url "https://osrf-distributions.s3.amazonaws.com/bottles-simulation"
-    sha256 "50136b606fa3978ce0f48fe7595fbf2f142ef8f3e5be5740bfa5b88b580ab71d" => :mojave
+    sha256 "a81d0dbc3219e1f6f6b6c1dd66ff4fb5939ea36ad96f7db155f363a96ea031af" => :mojave
   end
 
   depends_on "cmake" => :build
@@ -27,9 +27,11 @@ class IgnitionGazebo5 < Formula
   depends_on "ignition-plugin1"
   depends_on "ignition-rendering5"
   depends_on "ignition-sensors5"
+  depends_on "ignition-tools"
   depends_on "ignition-transport9"
   depends_on macos: :mojave # c++17
   depends_on "pkg-config"
+  depends_on "ruby"
   depends_on "sdformat10"
 
   def install
@@ -45,6 +47,10 @@ def install
   end
 
   test do
+    ENV["IGN_CONFIG_PATH"] = "#{opt_share}/ignition"
+    system Formula["ruby"].opt_bin/"ruby",
+           Formula["ignition-tools"].opt_bin/"ign",
+           "gazebo", "-s", "--iterations", "5", "-r", "-v", "4"
     (testpath/"test.cpp").write <<-EOS
     #include <cstdint>
     #include <ignition/gazebo/Entity.hh>